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    • 9. 发明申请
    • METHOD OF ASSAYING D-VANILLYLMANDELIC ACID, AND REAGENT AND KIT THEREFOR
    • D-吡喃甘油酸的测定方法及其试剂和试剂盒
    • WO1991006005A1
    • 1991-05-02
    • PCT/JP1990001344
    • 1990-10-18
    • YAMASA SHOYU KABUSHIKI KAISHAKURODA, ManamiSUGI, Masato
    • YAMASA SHOYU KABUSHIKI KAISHA
    • G01N33/53
    • A61K31/40A61K31/445A61K38/13C07K16/44G01N33/5308G01N33/57488A61K31/16A61K31/34A61K2300/00
    • A method of assaying D-vanillylmandelic acid (D-VMA) contained in a specimen of a living organism through the following steps (A) to (D), and a reagent and a kit used for the assay, wherein a racemic mixture of VMA is used as the standard substance for preparing a calibration curve and a labeled anti-D-VMA antibody is used as the labeled anti-VMA antibody to specifically assay only D-VMA in the specimen: (A) the step of conducting a competitive reaction of VMA in the specimen and VMA in solid phase against the labeled anti-VMA antibody; (B) the step of separating the liquid phase from the solid phase; (C) the step of determining the quantity of labeling of the labeled anti-VMA antibody combined with the solid-phase VMA and that of other substances; and (D) the step of preparing a calibration curve or obtaining a relation by using a standard substance of a known concentration, calculating the concentration of VMA corresponding to the quantity of labeling determined in the step (C) by using the calibration curve or relation thus obtained, and defining the concentration thus calculated as the concentration of VMA contained in the specimen.
    • 一种通过以下步骤(A)至(D)测定生物体样品中所含的D-香草基扁桃酸(D-VMA)的方法,以及用于该测定的试剂和试剂盒,其中VMA的外消旋混合物 用作制备校正曲线的标准物质,并使用标记的抗-D-VMA抗体作为标记的抗VMA抗体,以特异性仅测定样品中的D-VMA:(A)进行竞争反应的步骤 的样品中的VMA和针对标记的抗VMA抗体的固相的VMA; (B)将液相与固相分离的步骤; (C)确定与固相VMA和其他物质结合的标记抗VMA抗体的标记量的步骤; 和(D)通过使用已知浓度的标准物质制备校准曲线或获得关系的步骤,通过使用校准曲线或关系计算与步骤(C)中确定的标记量相对应的VMA浓度 由此获得,并且将由此计算的浓度定义为样品中所含的VMA的浓度。